Home / 611,942.45-844,477.85-340,054.61

Finding the Fourth Proportional to 611,942.45, 844,477.85 and 340,054.61

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Solution

The fourth proportional to 611,942.45, 844,477.85 and 340,054.61 is: 469,273.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,942.45 : 844,477.85 = 340,054.61 : x
  2. Step 2: Convert to fraction form
    611,942.45/844,477.85 = 340,054.61/x
  3. Step 3: Cross multiply
    611,942.45x = 844,477.85 × 340,054.61
  4. Step 4: Simplify right side
    611,942.45x = 287,168,582,563.14
  5. Step 5: Solve for x
    x = 287,168,582,563.14/611,942.45
  6. Step 6: Final answer
    x = 469,273.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.